94295-41-7Relevant articles and documents
Pyrimidopyridazines. 6. Pyrimidopyridazines and 1,2,4-Triazines from Reactions between 6-Hydrazinopyrimidin-4(3H)-ones and Vicinal Dicarbonyl Reagents
Styles, Virgil L.,Morrison, Robert W.
, p. 346 - 350 (2007/10/02)
Reactions between 6-hydrazinopyrimidin-4(3H)-ones and selected vicinal dicarbonyl reagents have produced novel hydrazonopyrimidines, pyrimidopyridazines, and 1,2,4-triazin-5(2H)-ones.Criteria for the successful cyclizations, unexpected physical/chemical p